Except as provided in GPM 602.2, Pre-Award Costs, GPM 602.3, Post-Expiration Costs,or GPM 617, Publication, Documentation and Dissemination, expenditures may not be charged prior to the effective date or subsequent to the expiration date under an NSF cost reimbursement grant.
The ODF file extension is known as OpenDocument Formula which was created by OpenOffice.org Math. It is a file format that saves the text used for creating the formula as well as mathematical equation. Formatted results can be printed to a .pdf file. They are based on the OASIS OpenDocument standard.
Microsoft SQL Server secondary data file. The ndf file extension is used for Microsoft SQL Server secondary data files. The secondary data file is created by Microsoft SQL Server, when the primary data file (mdf file) is full of data and other data cannot be stored in it.